ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,554,225, issued on Feb. 17, was assigned to OMEGA SA (Biel/Bienne, Switzerland).

"Horological calotte forming a casing for handling and/or presenting a horological movement" was invented by Jose Lehmann (Bevaix, Switzerland) and Thomas Stoeckli (Luterkofen, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A horological calotte (200) forming a casing for a horological movement (400) according to a calibre model in a predetermined family. The movement includes a projecting control member (410) whose distal part (411) is distant from a movement axis (DM) by a radial value (VR) specific to the model. The calotte includes a ring (220) specific to t...